Sharon L. Tolliver

Soporex, Inc. undertakes sleep studies and sleep disorder diagnosis. It also develops and supplies sleep disorder pharmaceuticals. The company was founded by Stephan D. Linehan and is headquartered in Dallas, TX.

Part of The Cigna Group, Valuerx, Inc. is an American company that provides pharmacy benefit management services. The company is based in TN. Valuerx was acquired by Express Scripts, Inc., a subsidiary of The Cigna Group from Columbia/HCA Healthcare Corp. on April 01, 1998 for $445 million.

Rotech Healthcare, Inc. engages in the development and provision of home respiratory equipment. It caters to the treatment of respiratory problems and sleep apnea. Its services include home oxygen therapy, nebulizers, and equipment compliance. The company is headquartered in Orlando, FL.

FHC Health Systems, Inc. engages in the provision of health care services. The company was founded by Ronald I. Dozoretz in 1983 and is headquartered in Boston, MA.

Radiologix, Inc. used to provide diagnostic imaging services. It owned and operated multi-modality diagnostic imaging centers that used advanced imaging technologies such as positron emission tomography (PET), magnetic resonance imaging (MRI), computed tomography (CT) and nuclear medicine, as well as x-ray, general radiography, mammography, ultrasound and fluoroscopy. The company was founded by Derace L. Schaffer & Sami S. Abbasi in 1996 and is headquartered in Dallas, TX.